XCOM 2 is a turn-based tactics video game developed by Firaxis Games and published by 2K Games. It was released for Microsoft Windows, OS X, and Linux in February 2016, and for PlayStation 4 and Xbox One in September 2016. XCOM 2 is the sequel to 2012's reboot of the series, XCOM: Enemy Unknown. Taking place 20 years after the events of Enemy Unknown, it follows the continuity that XCOM, a military organization trying to fight off an alien invasion, has lost the war, and is now a resistance force against their occupation of Earth.